<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="角色名称" prop="roleName">
        <el-input
          v-model="queryParams.roleName"
          placeholder="请输入角色名称"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['system:roles:add']"
        >新增</el-button>
      </el-col>


<!--      新增已关联用户按钮-->
      <el-col :span="1.5">
        <el-button
          type="info"
          plain
          icon="el-icon-user"
          size="mini"
          @click="handleAssociatedUsers"
          v-hasPermi="['system:roles:associatedUsers']"
        >已关联用户</el-button>
      </el-col>


      <el-col :span="1.5">
        <el-button
          type="success"
          plain
          icon="el-icon-edit"
          size="mini"
          :disabled="single"
          @click="handleUpdate"
          v-hasPermi="['system:roles:edit']"
        >修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['system:roles:remove']"
        >删除</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="warning"
          plain
          icon="el-icon-download"
          size="mini"
          @click="handleExport"
          v-hasPermi="['system:roles:export']"
        >导出</el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="rolesList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="角色ID" align="center" prop="id" />
      <el-table-column label="角色名称" align="center" prop="roleName" />
      <el-table-column label="角色描述" align="center" prop="description" />
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['system:roles:edit']"
          >修改</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['system:roles:remove']"
          >删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改角色模块对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="角色名称" prop="roleName">
          <el-input v-model="form.roleName" placeholder="请输入角色名称" />
        </el-form-item>
        <el-form-item label="角色描述" prop="description">
          <el-input v-model="form.description" type="textarea" placeholder="请输入内容" />
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>

    <!-- 已关联用户弹窗 -->
    <el-dialog :title="'角色定制师已关联用户'" :visible.sync="associatedUsersVisible" width="800px" append-to-body>
      <el-form :model="associatedUsersForm" ref="associatedUsersForm" label-width="80px">
        <el-row>
          <el-col :span="24" style="text-align: left; margin-bottom: 10px;">
            <el-button type="primary" @click="cancelAssociation">取消关联</el-button>
          </el-col>
        </el-row>
        <!-- 搜索区域 -->
        <el-row :gutter="20">
          <el-col :span="10">
            <el-form-item label="姓名" label-width="60px">
              <el-input v-model="associatedUsersForm.name" placeholder="输入姓名"></el-input>
            </el-form-item>
          </el-col>
          <el-col :span="10">
            <el-form-item label="账号" label-width="60px">
              <el-input v-model="associatedUsersForm.account" placeholder="输入账号"></el-input>
            </el-form-item>
          </el-col>
          <el-col :span="4">
            <el-button type="primary" @click="searchUsers">查询</el-button>
          </el-col>
        </el-row>
        <!-- 用户列表表格 -->
        <el-table :data="associatedUsersList" @selection-change="handleSelectionChange">
          <el-table-column type="selection" width="55" align="center"></el-table-column>
          <el-table-column label="序号" align="center" prop="id"></el-table-column>
          <el-table-column label="姓名" align="center" prop="username"></el-table-column>
          <el-table-column label="账号" align="center" prop="password"></el-table-column>
        </el-table>
        <!-- 分页 -->
        <pagination
          v-show="associatedUsersTotal>0"
          :total="associatedUsersTotal"
          :page.sync="associatedUsersQuery.pageNum"
          :limit.sync="associatedUsersQuery.pageSize"
          @pagination="getAssociatedUsersList"
        />
      </el-form>
    </el-dialog>
  </div>
</template>

<script>
import {  listRoles, getRoles, delRoles, addRoles, updateRoles, listAssociatedUsers, cancelUserAssociation} from "@/api/system/roles"

export default {
  name: "Roles",
  data() {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 角色模块表格数据
      rolesList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        roleName: null,
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        roleName: [
          { required: true, message: "角色名称不能为空", trigger: "blur" }
        ],
      },
      associatedUsersVisible: false, // 已关联用户弹窗是否显示
      associatedUsersForm: {
        name: '',
        account: ''
      },
      associatedUsersList: [], // 已关联用户列表
      associatedUsersTotal: 0, // 已关联用户总条数
      associatedUsersQuery: {
        pageNum: 1,
        pageSize: 10,
        name: null,
        account: null
      }
    }
  },
  created() {
    this.getList()
  },
  methods: {
    /** 查询角色模块列表 */
    getList() {
      this.loading = true
      listRoles(this.queryParams).then(response => {
        this.rolesList = response.rows
        this.total = response.total
        this.loading = false
      })
    },
    // 取消按钮
    cancel() {
      this.open = false
      this.reset()
    },
    // 表单重置
    reset() {
      this.form = {
        id: null,
        roleName: null,
        description: null,
        createdAt: null
      }
      this.resetForm("form")
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1
      this.getList()
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm")
      this.handleQuery()
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      // 保存选中的用户
      this.selectedUsers = selection;
      // 更新 ids、single 和 multiple 的值
      this.ids = selection.map(item => item.id)
      this.single = selection.length!==1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset()
      this.open = true
      this.title = "添加角色模块"
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset()
      const id = row.id || this.ids
      getRoles(id).then(response => {
        this.form = response.data
        this.open = true
        this.title = "修改角色模块"
      })
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.id != null) {
            updateRoles(this.form).then(response => {
              this.$modal.msgSuccess("修改成功")
              this.open = false
              this.getList()
            })
          } else {
            addRoles(this.form).then(response => {
              this.$modal.msgSuccess("新增成功")
              this.open = false
              this.getList()
            })
          }
        }
      })
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const ids = row.id || this.ids
      this.$modal.confirm('是否确认删除角色模块编号为"' + ids + '"的数据项？').then(function() {
        return delRoles(ids)
      }).then(() => {
        this.getList()
        this.$modal.msgSuccess("删除成功")
      }).catch(() => {})
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download('system/roles/export', {
        ...this.queryParams
      }, `roles_${new Date().getTime()}.xlsx`)
    },



    handleAssociatedUsers() {
      this.associatedUsersVisible = true;
      this.getAssociatedUsersList();
    },
    getAssociatedUsersList() {
      // 调用接口获取已关联用户列表
      listAssociatedUsers().then(response => {
        this.associatedUsersList = response;
      });
    },
    // 额外功能：搜索用户
    searchUsers() {
      this.associatedUsersQuery.pageNum = 1;
      this.associatedUsersQuery.name = this.associatedUsersForm.name;
      this.associatedUsersQuery.account = this.associatedUsersForm.account;
      // 将搜索条件合并到请求参数中
      const query = {
        username: this.associatedUsersForm.name,
        password: this.associatedUsersForm.account
      };
      listAssociatedUsers(query).then(response => {
        this.associatedUsersList = response; // 更新列表数据
      });
    },
    // 取消关联
    cancelAssociation() {
      const selectedUsers = this.selectedUsers;
      if (selectedUsers && selectedUsers.length > 0) {
        const userIds = selectedUsers.map(user => user.id);
        this.$modal.confirm('是否确认取消选中用户的关联？').then(() => {
          cancelUserAssociation(userIds).then(() => {
            this.$modal.msgSuccess("取消关联成功");
            this.getAssociatedUsersList(); // 刷新列表
          }).catch(() => {
            this.$modal.msgError("操作失败");
          });
        });
      } else {
        this.$modal.msgError("请选择要取消关联的用户");
      }
    }
  }
}
</script>


<style>
.el-dialog .el-form {
  max-height: calc(100vh - 200px);
  overflow-y: auto;
}
.el-table .cell {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
</style>
